Home / 7,985.03-11,977.23-4,294.43

Finding the Fourth Proportional to 7,985.03, 11,977.23 and 4,294.43

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Solution

The fourth proportional to 7,985.03, 11,977.23 and 4,294.43 is: 6,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.03 : 11,977.23 = 4,294.43 : x
  2. Step 2: Convert to fraction form
    7,985.03/11,977.23 = 4,294.43/x
  3. Step 3: Cross multiply
    7,985.03x = 11,977.23 × 4,294.43
  4. Step 4: Simplify right side
    7,985.03x = 51,435,375.83
  5. Step 5: Solve for x
    x = 51,435,375.83/7,985.03
  6. Step 6: Final answer
    x = 6,441.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.